Home / 96,847.79-133,629.12-56,543.18

Finding the Fourth Proportional to 96,847.79, 133,629.12 and 56,543.18

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Solution

The fourth proportional to 96,847.79, 133,629.12 and 56,543.18 is: 78,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,847.79 : 133,629.12 = 56,543.18 : x
  2. Step 2: Convert to fraction form
    96,847.79/133,629.12 = 56,543.18/x
  3. Step 3: Cross multiply
    96,847.79x = 133,629.12 × 56,543.18
  4. Step 4: Simplify right side
    96,847.79x = 7,555,814,717.26
  5. Step 5: Solve for x
    x = 7,555,814,717.26/96,847.79
  6. Step 6: Final answer
    x = 78,017.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.